英语语法：do 在强调句和疑问句表时态,其句子用一般现在时 I did see him last night.问：在这个句子里若存在从句,时态是否也应该用一般现在时?Did you see that a dog is(was) chased by a cat last night?
问题描述：
英语语法：do 在强调句和疑问句表时态,其句子用一般现在时 I did see him last night.问：在这个句子里
若存在从句,时态是否也应该用一般现在时?
Did you see that a dog is(was) chased by a cat last night?
答
不是,that 引导的是一个宾语从句要保持前后一致Did you see that a dog was chased by a cat last night?既然是从句,that 后面就是一个句子.有自己的句子结构,只是这个句子充当了 see 的宾语宾语从句中用一般现在时...